/Engine/Source/Editor/Kismet/Public/SSCSEditor.h
Finds the closest ancestor node in the given node set.
One of the nodes from the set, or an invalid node reference if the set does not contain any ancestor nodes.
FSCSEditorTreeNodePtrType FindClosestParent ( [TArray](API\Runtime\Core\Containers\TArray)< FSCSEditorTreeNodePtrType > InNodes )